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To install Oracle 11g DB, just install the following packages at the startup and continue # yum install binutils gcc glibc glibc-devel cpp make setarch pdksh libaio libaio-devel compat-gcc-34 compat-gcc-34-c compat-libstdc-296 compat-libstdc-33 sysstat -y Creating groups and user for Oracle Installation: # groupadd oinstall # groupadd dba # useradd -m -g oinstall -G dba -d […] Oracle Startup script used for Automatic start up of oracle db after rebooting the machine. I have already explained how to install oracle 11g in previous posts and just note how to add a startup script with respect to that settings For automatically restart the oracle after system reboot create a file called oracle ( […] Installing Oracle database Client to access DB Either you can use sqldeveloper as oracle client or you can execute it from the command line using # sqlplus We can access oracle server graphically by using a package called sqldeveloper. sqldeveloper-2.1.1.64.45-1.noarch.rpm # rpm -ivh sqldeveloper-2.1.1.64.45-1.noarch.rpm if the front end not getting install the jdk package and […] Starting oracle listener $ lsnrctl start Start the database $ dbstart Starting oracle Enterprise manager $ emctl start dbconsole Shutting down the database $ dbshut Stopping the listener $ lsnrctl stop Stopping oracle Enterprise manager $ emctl stop dbconsole Starts sqlplus without logging in to a database # su oracle $ sqlplus /nolog Logging […] A schema is a collection of database objects. A schema is owned by a database user and has the same name as that user. Schema objects are logical structures created by users to contain, or reference, their data. Schema objects include structures like tables, views, and indexes. $ sqlplus /nolog SQL> connect / as sysdba […] Mysql Performance Tuning MySQL Performance tuning [my.cnf file parameters + description] [mysqld] # Maximum allowed number of connections to the MySQL Server max_connections = 1500 # The key buffer is a variable that is shared amongst all MySQL clients on the server. A large setting is recomended, particularly helpful with tables that have unique keys. […] Multicast is the protocol which allow nodes inside to a cluster to communicate without knowing each other. You can think of multicast of a radio or a TV channel, only those who are tuned received the information. Communication between nodes is provided by JGroups, which is library for multicast communication.
What is multicasting? There […] How to Install Apache 2.4.2 from Source on CentOS 6.3 with SSL yum install gcc yum install openssl-devel yum install apr-devel yum install apr-util-devel yum install libtool yum install gcc-c++ # APR # http://mirrors.axint.net/apache//apr/apr-1.4.6.tar.gz tar -xvzf apr-1.4.6.tar.gz cd apr-1.4.6/ ./configure make make install cd .. # APR Utils # http://mirrors.axint.net/apache//apr/apr-util-1.4.1.tar.gz tar -xvzf apr-util-1.4.1.tar.gz cd apr-util-1.4.1 […] # apachectl -k graceful In a server environment, should use the command apachectl instead of /etc/init.d/httpd. apachectl command is used to control the apache httpd daemon. # apachectl -k restart difference between apachectl -k graceful and apachectl -k restart is that in case of the former current requests are not aborted but in the latter […] Jboos 6
ollow the installation steps for jboss server 1. Install jdk ——-> jdk-6u7-linux-i586.bin 2. install Jboss ——> jboss-as-distribution-6.0.0.Final.zip First Install Java
# ./jdk-6u7-linux-i586.bin # cd jdk1.6.0_07/ Export the java home and path in .profile files # vim .bash_profile export JAVA_HOME=/opt/jdk1.6.0_07 export PATH=$PATH:$JAVA_HOME/bin # . .bash_profile # vim /etc/profile export JAVA_HOME=/opt/jdk1.6.0_07 export PATH=$PATH:$JAVA_HOME/bin […] |
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